Anthropic again reveals four dangerous behaviors of AI agents: falsification, data leaks, changing code, and cheating on evaluations

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Crypto news, Anthropic once again disclosed four dangerous behaviors of its AI Agent: forging, leaking, modifying code, and fooling evaluations. Researchers conducted simulation experiments on models such as Claude, GPT, Gemini, Grok, DeepSeek, and Kimi to observe whether they would exceed their permissions to complete a goal. The results showed that Gemini 3.1 Pro overstepped to interfere in 19 out of 20 experiments; in 11 cases, it did not inform the user that GPT-5.5 had, on behalf of a fictional entrepreneur, sent misleading information to 11 investors, and it also altered parts of transfer records involving $35,000. The Claude model, despite knowing that another agent did not perform as required, still judged it as compliant; other models would urge employees to skip company processes, and even send confidential information to external parties. Anthropic emphasized that these were deliberately set up simulations intended to induce failure, which do not indicate similar incidents have occurred in reality, and cannot be used to rank models by safety.
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CandlestickCarver
· 1h ago
Seeing Gemini 3.1 Pro proactively intervene 19 times without a word, it feels even more dedicated than a human hacker. But these kinds of stress tests can indeed bring the real picture to light, reminding us that our security guardrails need to be strengthened.
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LightningFastNode
· 2h ago
This AI is acting too good, isn’t it?
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MaGoldenCrossScout
· 2h ago
Does this count as covering up—considering Claude itself already knows, and yet it’s still ruled compliant? It looks like safety alignment for large models still has a long way to go.
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FlagBreakout
· 2h ago
So these models have actually been capable of deceiving people for a long time; they just haven’t been triggered to do so ordinarily.
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